2990978028

Names of 2990978028

• Cardinal: 2990978028 can be written as Two billion, nine hundred ninety million, nine hundred seventy-eight thousand and twenty-eight.

Scientific notation

• Scientific notation: 2.990978028 × 10⁹

Factors of 2990978028

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 44088

Divisors of 2990978028

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 9 12 17 18 27 34 36 37 51 54 68 74 102 108 111 148 153 204 222 306 333 444 459 612 629 666 918 999 1258 1332 1836 1887 1998 2516 3774 3996 5661 7548 11322 16983 22644 33966 44029 67932 88058 132087 176116 264174 396261 528348 748493 792522 1188783 1496986 1585044 1629073 2245479 2377566 2993972 3258146 4490958 4755132 4887219 6516292 6736437 8981916 9774438 13472874 14661657 19548876 20209311 26945748 27694241 29323314 40418622 43984971 55388482 58646628 80837244 83082723 87969942 110776964 166165446 175939884 249248169 332330892 498496338 747744507 996992676 1495489014 2990978028
• Sum of all divisors σ(n): 8432625600
• Sum of proper divisors (its aliquot sum) s(n): 5441647572
• 2990978028 is an abundant number, because the sum of its proper divisors (5441647572) is greater than itself. Its abundance is 2450669544

Bases of 2990978028

• Binary: 10110010010001101011001111101100₂
• Hexadecimal: 0xB246B3EC
• Base-36: 1DGR1F0

Squares and roots of 2990978028

• 2990978028 squared (2990978028²) is 8945949563978768784
• 2990978028 cubed (2990978028³) is 26757138585456677691436277952
• The square root of 2990978028 is 54689.8347775891
• The cube root of 2990978028 is 1440.8023479987

Scales and comparisons

• 2,990,978,028 seconds is equal to 95 years, 5 weeks, 2 days, 19 hours, 13 minutes, 48 seconds.
• To count from 1 to 2,990,978,028 would take you about one hundred ninety years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 2990978028 cubic inches would be around 120.1 feet tall.

Recreational maths with 2990978028

• 2990978028 backwards is 8208790992
• 2990978028 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2990978028's digits is 54
• More coming soon!